Ball mill - WikipediaA ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . Principle. A ball mill works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell.principles of grinding in ball mill,Mill (grinding) - WikipediaA mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. Rod mills are less common than ball mills for grinding minerals. The rods used in the . This type of mill uses the same principle as VSI Crusher.
principles of grinding in ball mill